<div class="user">
  <ul class="nav nav-tabs">
    <li class="active">
      <a href="#home" data-toggle="tab">管理员</a>
    </li>
    <li>
      <a href="#order" data-toggle="tab">编辑</a>
    </li>
    <li>
      <a href="#knowledge" data-toggle="tab">会员</a>
    </li>
  </ul>
  <div class="tab-content">
    <div class="tab-pane fade in active" id="home">
      管理员
    </div>
    <div class="tab-pane fade" id="order">
      编辑
    </div>
    <div class="tab-pane fade" id="knowledge">
      会员
    </div>
  </div>
</div>